<template>
    <div class="mui-numbox" data-numbox-min='1'>
					<button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
					<input id="test" class="mui-input-numbox" type="number" value="1" 
                    @change="countChanged" ref="numbox" />
					<button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
    </div>      
</template>
<script>
import mui from '../../lib/mui/js/mui.min.js'
export default {
    data(){
        return {}
    },                                     //选择数量的组件
    mounted() {
        mui(".mui-numbox").numbox();
         console.log(this.max);
    },
    methods:{
        countChanged () {
          //  console.log(this.$refs.numbox.value)
           this.$emit("getcount", parseInt(this.$refs.numbox.value));
        }
    },
    props: ["max"],
     watch: {
    // 属性监听
    max: function(newVal, oldVal) {
      // 使用 JS API 设置 numbox 的最大值
      mui(".mui-numbox")
        .numbox()
        .setOption("max", newVal);
    }
  }
}
</script>
<style lang="scss" scoped>

</style>

